O-C DIAGRAMS AND UP-TO-DATE LINEAR
ELEMENTS OF ECLIPSING BINARIES

Heliocentric orbital phase is calculated based on YOUR COMPUTER TIME !!!!

When using this database please include a citation to: J.M. Kreiner, 2004, Acta Astronomica, vol. 54, pp 207-210.

Leo

From GCVS:
Nr.GCVS STAR  CONST.   RA   (2000)    DEC         Type   V [mag]     P [days]          Spec            
========================================================================================================
460008   Y      Leo    9h 36m 51.8s   26o 13' 57"    |EA/S   | 10.09       1.6861020     *|A5V           
460012   RT     Leo    9h 45m 22.4s   19o 54' 19"    |EA/S   | 10.3        7.447906      *|              
460015   RW     Leo   10h 39m 38.5s    8o 59' 40"    |EA/S   | 11.9        1.6825565     *|              
460031   TX     Leo   10h 35m  2.2s    8o 39'  1"    |EA/D   |  5.66       2.4450566     *|A2V           
460032   TY     Leo   10h 52m 27.2s   -5o  5' 17"    |EA     | 10.5        1.18466        |G             
460034   UU     Leo    9h 47m 49.7s   12o 59'  2"    |EA/S   | 11.4        1.6797409     *|A2            
460035   UV     Leo   10h 38m 20.8s   14o 16'  3"    |EA/D   |  8.90       0.60008478     |G0V+G2V       
460037   UX     Leo   11h 17m 13.6s   -6o 35' 14"    |EA/S   | 10.3        1.007172       |F4            
460039   UZ     Leo   10h 40m 33.2s   13o 34'  0"    |EW/K   |  9.58       0.6180428      |A7            
460044   VZ     Leo    9h 26m 50.7s   16o 36'  2"    |EA/S   | 11.8        1.089906      *|A5            
460047   WY     Leo    9h 31m  1.1s   16o 39' 25"    |EA/D   | 11.1        4.985778      *|A2            
460048   WZ     Leo    9h 34m 12.7s   18o 54'  6"    |EA/D   | 11.3        1.405570      *|A1            
460049   XX     Leo    9h 59m 29.3s   13o 47'  6"    |EB     | 11.1        0.97094        |A8            
460050   XY     Leo   10h  1m 40.4s   17o 24' 32"    |EW/K   |  9.45       0.2840969      |K0V+K0        
460051   XZ     Leo   10h  2m 34.2s   17o  2' 47"    |EW/K   | 10.6        0.4877351      |A6            
460061   AG     Leo    9h 53m 32.2s   16o  2'  5"    |EA/D   | 10.7        3.392498       |F5            
460065   AL     Leo    9h 58m 12.9s   18o 17' 28"    |EA/D   | 10.2        4.1444         |F5            
460066   AM     Leo   11h  2m 10.9s    9o 53' 42"    |EW/K   |  9.25       0.36579740     |F8V           
460069   AP     Leo   11h  5m  5.0s    5o  9'  6"    |EW/K   |  9.32       0.4303576      |G0V           
460085   BG     Leo   11h 41m 46.2s   23o 12'  2"    |EA/S   | 13.6        3.779167       |              
460089   BL     Leo   11h 45m 38.4s   24o 46' 51"    |EW/K   | 13.8        0.2819306      |              
460091   BN     Leo   11h 48m  3.1s   18o 58'  2"    |EA/S   | 15.0        1.703688      *|              
460099   BV     Leo   11h 27m 51.6s   24o 44'  5"    |EB/K   | 15.8        0.941583       |              
460100   BW     Leo   11h 32m 16.4s   17o 19' 24"    |EW/K   | 14.7        0.337221       |              
460103   BZ     Leo   11h 42m  0.3s   22o 52'  7"    |EW/K   | 15.3        0.269722       |              
460106   CE     Leo   11h 44m 24.3s   23o 21' 22"    |EW/K   | 11.8        0.303429       |              
460137   DO     Leo   10h 40m 51.2s   15o 11' 34"    |NL     | 16.0                       |              
460143   DU     Leo    9h 44m 11.4s   25o 21' 11"    |EA/S   |  8.68                      |              
460163   ET     Leo   10h 33m 25.8s   17o 34' 27"    |EW     |  9.60                      |              
460167   EX     Leo   10h 45m  6.8s   16o 20' 15"    |EW     |  8.27                      |              
460174   FK     Leo   11h 12m  5.6s   14o 18' 22"    |EA     |  8.57                      |              
460176   FM     Leo   11h 12m 45.1s    0o 20' 52"    |EA     |  8.54                      |              
460182   FS     Leo   11h 27m 58.5s   14o 49' 55"    |EB     |  9.06                      |              
460203   GU     Leo    9h 47m 33.8s   18o 21' 42"    |EW     | 11.62       0.354076       |              
460204   GV     Leo   10h 11m 59.2s   16o 52' 30"    |EW     | 11.45       0.266727       |              
460205   GW     Leo   10h 18m 53.5s   13o 41'  8"    |EW     | 12.06       0.33614        |              
460210   HI     Leo   11h 12m 16.8s    1o 19'  5"    |EB     | 11.2        0.311589       |              
460219   HS     Leo   11h 18m 42.8s   27o 31' 50"    |EW     | 13.8        0.33770        |              
460234   IQ     Leo   10h 56m  3.0s   20o 40' 40"    |EW     | 14.7        0.31738        |              
460267   LS     Leo    9h 36m 46.4s   12o  2' 49"    |EA     | 12.25       0.885793       |              
460268   LT     Leo    9h 40m 42.8s   16o 42' 17"    |EA     | 11.6        0.653746       |              
460269   LU     Leo    9h 48m 37.3s   25o  4' 29"    |EW     | 13.42       0.3753825      |              
460271   LW     Leo    9h 49m 33.0s    8o  6' 29"    |EA     | 12.6        0.694067       |              
460272   LX     Leo    9h 50m 27.7s   20o 43'  5"    |EW     | 12.1        0.235247       |              
460273   LY     Leo    9h 55m 37.4s   23o 13' 35"    |EB     | 13.03       0.470189       |              
460274   LZ     Leo    9h 57m 21.4s   14o 12' 15"    |EW     | 12.97       0.295682       |              
460277   MO     Leo   10h  8m 43.7s   26o  3' 56"    |EB     | 11.55       0.639693       |              
460278   MP     Leo   10h 10m 14.8s   16o 46' 12"    |EW     | 12.55       0.317007       |              
460279   MQ     Leo   10h 10m 49.1s   18o 56' 17"    |EW     | 12.5        0.300007       |              
460281   MS     Leo   10h 12m 57.3s   10o 16' 55"    |EW     | 11.9        0.349593       |              
460283   MU     Leo   10h 24m 59.9s   24o 30' 51"    |EA     | 13.32       0.3884460      |              
460285   MW     Leo   10h 50m 16.3s   21o 53'  6"    |EA     | 10.85       0.867523       |              
460287   MY     Leo   10h 54m 40.0s   22o 41'  0"    |EW     | 12.98       0.341697       |              
460288   MZ     Leo   10h 57m 46.6s    9o 58' 41"    |EW     | 13.2        0.312145       |              
460289   NN     Leo   10h 58m 55.1s   17o 22' 11"    |EB     | 12.4        0.380487       |              
460290   NO     Leo   11h  0m  2.1s    4o 42'  6"    |EW     | 12.55       0.290910       |              
460291   NP     Leo   11h  9m  8.3s    0o  7' 31"    |EA     | 13.12       1.371408       |              
460293   NR     Leo   11h 12m 33.5s   12o 17' 35"    |EB     | 12.05       0.512507       |              
460295   NT     Leo   11h 18m 19.3s   16o 28'  4"    |EA     |  9.60       2.004016       |F5            
460296   NU     Leo   11h 19m  9.4s    1o 57' 27"    |EA     | 11.75       1.297914       |              
460298   NW     Leo   11h 22m 10.3s   25o 23' 18"    |EW     | 12.25       0.260606       |              
460299   NX     Leo   11h 22m 25.7s    4o 28' 49"    |EA     | 12.7        1.402181       |              
460300   NY     Leo   11h 24m 35.7s    5o 59' 24"    |EW     | 13.0        0.276671       |              
460301   NZ     Leo   11h 27m 17.2s   10o 35' 11"    |EW     | 12.3        0.339954       |              
460302   OO     Leo   11h 27m 23.3s    4o 42' 18"    |EW     | 10.55       0.4464581      |G0            
460303   OP     Leo   11h 28m  1.7s    6o  1' 25"    |EW     | 13.6        0.487784       |              
460304   OQ     Leo   11h 28m  5.7s    6o  5' 43"    |EW     | 13.3        0.581728       |              
460305   OR     Leo   11h 30m 30.8s   -1o  1' 57"    |EW     | 13.3        0.2709603      |              
460308   OU     Leo   11h 45m 39.9s   14o 12'  2"    |EW     | 12.05       0.343277       |              
460309   OV     Leo   11h 47m 21.0s   15o 42' 59"    |EW     | 13.31       0.2683061      |              
460310   OW     Leo   11h 52m 13.6s   18o 58' 55"    |EW     | 12.8        0.325545       |              
460313   OZ     Leo    9h 27m  2.8s   16o 18' 52"    |EW     | 12.20       0.3374812      |              
460342   V0342  Leo   11h 27m 59.3s   -1o 55' 17"    |EA     |  9.25       1.0143670      |F6/7V         
========================================================================================================